AMD Radeon Pro W6800X Duo vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon Pro W6800X Duo NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 9 years and 4 months late

Boost Clock1967MHz

More VRAM (32GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 91.87GB/s)

3552 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +1590%

15.11 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon Pro W6800X Duo

VS

GeForce GT 645 OEM

Graphics Card

Aug 2021

Release Date

Apr 2012

Radeon Pro Mac

Generation

GeForce 600

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

957 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

512.0GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

60

Compute Units

-

3840

Shading Units

288

240

TMUs

48

96

ROPs

24

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

Theoretical Performance

188.8 GPixel/s

Pixel Rate

9.312 GPixel/s

472.1 GTexel/s

Texture Rate

37.25 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

894.0 GFLOPS

944.2 GFLOPS

FP64 (double)

74.50 GFLOPS

Graphics Processor

Navi 21

GPU Name

GF114

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.95 billion

520 mm²

Die Size

332 mm²

Board Design

400W

TDP

102W

800 W

Suggested PSU

300 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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